Because French copyright law

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Max-video-preview:[number] (specify the maximum duration of a video preview in seconds) max-image-preview:[setting] (specify the maximum size of an image preview to be "none," "standard," or "large") Use the following code to control how snippets from your web page are displayed: Do not display page snippets on the SERPs: Set the maximum length of a text snippet to 150 characters: <meta name="robots" content="max-snippet:150" /> Set the maximum length of a video preview to 20 seconds.

Set the maximum preview size for a large-scale Last Review image: <meta name="robots" content="max-image-preview:large" /> They can also be combined to give greater control over the snippets on your page. Let's say you want to set your maximum snippet length to 150 characters and allow large image previews, use: <meta name="robots" content="max-snippet:150, max-image-preview:large" /> If you have an audience in France, you should pay close attention to these tags.



Prevents Google from displaying snippets of your website unless you choose to use them. If you don't want to impose restrictions on your snippets, you can add the following to your page header: <meta name="robots" content="max-snippet:-1, max-image-preview:large, max-video-preview:-1" /> Definition of the X-Robots-Tag directive Another way to control how search engines crawl and index your web pages is to use the X-Robots-Tag directive rather than meta robots tags. While implementing robots meta tags in HTML pages .